What other compounds are in the air except for oxygen and nitrogen?



  1. 0 Votes

    Two of several previous answers in the link.

  2. 0 Votes

    Other compounds are argon (0.93%), carbon dioxide (0.039%) and water vapor. Oxygen and nitrogen make up most of dry air.

  3. 0 Votes

    Air is mainly that mixture of oxygen and nitrogen (about 78 and 21 percent respectively), but also, in much smaller  parts, are represented in the table below. Table is courtesy of the link provided, which in turn was provided by the CRC Handbook of Chemistry and Physics.

    Nitrogen N2 78.084 %
    Oxygen O2 20.9476 %
    Argon Ar 0.934 %
    Carbon Dioxide CO2 0.0314 %
    Neon Ne 0.001818 %
    Methane CH4 0.0002 %
    Helium He 0.000524 %
    Krypton Kr 0.000114 %
    Hydrogen H2 0.00005 %
    Xenon Xe 0.0000087 %
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